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2-4
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10 dB ATTENUATOR
TUNING CIRCUIT
• TUNER UNIT
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POWER DETECTOR
(D1201)
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SWR DETECTOR
(D1505)
8-bit SHIFT REGISTER
(IC2821)
8-bit SHIFT REGISTER
(IC2811)
8-bit SHIFT REGISTER
(IC2831)
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DC AMP
(IC1901)
8-bit SHIFT REGISTER
(IC2841)
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(???)
IMPEDANCE DETECTOR
(D1701)
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COMPARATOR
(IC1701)
PHASE DETECTOR
(D1311 and D1312)